BMR Calculator
Basal Metabolic Rate is the energy your body uses at complete rest to run its basic functions — breathing, circulation, cell repair and brain activity. It accounts for the majority of most people's daily calorie expenditure, typically 60-70%.
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Input
Result
- Basal Metabolic Rate (BMR)
- 1674 kcal/day
- Total Daily Energy Expenditure (TDEE)
- 2594 kcal/day
- Weight Maintenance Target
- 2594 kcal
- Mild Weight Loss (0.25 kg/week)
- 2344 kcal
- Weight Loss (0.5 kg/week)
- 2094 kcal
- Weight Gain (0.5 kg/week)
- 3094 kcal
About
What the BMR Calculator does
Multiplying BMR by an activity factor gives Total Daily Energy Expenditure, the figure that actually matters for weight management. The most common mistake is overestimating activity level: 'moderately active' means genuine structured exercise several times a week, not a job that involves walking around.
How it works
Using the BMR Calculator
- 1Enter your age, sex, height and weight.
- 2BMR is calculated using an established equation.
- 3Select your honest activity level.
- 4BMR is multiplied by the corresponding factor.
- 5Both BMR and total daily energy expenditure are shown.
Use cases
What people use it for
- Establishing a calorie baseline before changing diet
- Setting a deficit or surplus for a goal
- Understanding why intake needs change with activity
- Comparing estimated needs against actual intake
FAQ
Frequently asked questions
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